julio 28, 2026
Vintage Shimano Biopace 52t Chainring 600 52 Tooth 130 BCD Silver Oval 80s Could use cleaning
julio 22, 2026
Shimano Biopace Chainring 42t 130 BCD Vintage Oval 42 Tooth Sprocket Alloy
julio 22, 2026
Up for sale is a Shimano Biopace oval chainring with a 5-bolt pattern. Check pics for condition.